Windows 11 Update Error 0xc1900101 - 0x40021 SYSPREP RESPECIALIZE

  • Thread starter Thread starter Ryan Krumm
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Ryan Krumm

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Hello!I've been having trouble updating to Windows 11. The errors alternate between the following, though I'm unsure of what makes them switch.0xc1900101 - 0x40021 The installation failed at the SECOND_BOOT phase with an error during SYSPREP RESPECIALIZE0xC1900101 - 0x4000D The installation failed at the SECOND_BOOT phase with an error during MIGRATE_DATA operation.I do get System Scan errors after the failed install which the CBS.log shows as:2023-11-18 16:31:50, Info CBS Failed reading PoqexecCmdline registry key [HRESULT = 0x80070002 - ERROR_FILE_NOT_FOUND] 2023-11-18 16

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